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WO2018010931A1 - Protection d'aiguille activée par étiquette rfid - Google Patents

Protection d'aiguille activée par étiquette rfid Download PDF

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Publication number
WO2018010931A1
WO2018010931A1 PCT/EP2017/065367 EP2017065367W WO2018010931A1 WO 2018010931 A1 WO2018010931 A1 WO 2018010931A1 EP 2017065367 W EP2017065367 W EP 2017065367W WO 2018010931 A1 WO2018010931 A1 WO 2018010931A1
Authority
WO
WIPO (PCT)
Prior art keywords
rfid tag
needle shield
needle
shield assembly
injection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2017/065367
Other languages
English (en)
Inventor
Markus Bauss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carebay Europe Ltd
Original Assignee
Carebay Europe Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to EP17731587.6A priority Critical patent/EP3481469B1/fr
Priority to CN202210305380.4A priority patent/CN114652915A/zh
Priority to CN201780039503.1A priority patent/CN109414551B/zh
Priority to KR1020217026309A priority patent/KR20210105444A/ko
Priority to KR1020237007848A priority patent/KR102797645B1/ko
Priority to ES17731587T priority patent/ES3028296T3/es
Priority to JP2019500846A priority patent/JP6937361B2/ja
Priority to KR1020197000617A priority patent/KR20190017910A/ko
Priority to KR1020257012123A priority patent/KR20250057097A/ko
Priority to DK17731587.6T priority patent/DK3481469T3/da
Priority to EP25154287.4A priority patent/EP4539055A3/fr
Application filed by Carebay Europe Ltd filed Critical Carebay Europe Ltd
Priority to US16/311,545 priority patent/US10675123B2/en
Publication of WO2018010931A1 publication Critical patent/WO2018010931A1/fr
Anticipated expiration legal-status Critical
Priority to US16/361,576 priority patent/US11752275B2/en
Priority to US16/871,893 priority patent/US10864059B2/en
Priority to US17/095,006 priority patent/US11432904B2/en
Priority to US17/876,869 priority patent/US12527644B2/en
Priority to US18/144,948 priority patent/US12048838B2/en
Priority to US18/745,151 priority patent/US20240335619A1/en
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/90—Identification means for patients or instruments, e.g. tags
    • A61B90/98—Identification means for patients or instruments, e.g. tags using electromagnetic means, e.g. transponders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/90—Identification means for patients or instruments, e.g. tags
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/002—Packages specially adapted therefor, e.g. for syringes or needles, kits for diabetics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/3129—Syringe barrels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3202—Devices for protection of the needle before use, e.g. caps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3202—Devices for protection of the needle before use, e.g. caps
    • A61M5/3204—Needle cap remover, i.e. devices to dislodge protection cover from needle or needle hub, e.g. deshielding devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3213—Caps placed axially onto the needle, e.g. equipped with finger protection guards
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
    • G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
    • G16H20/10—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients
    • G16H20/17—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients delivered via infusion or injection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0266—Operational features for monitoring or limiting apparatus function
    • A61B2560/028—Arrangements to prevent overuse, e.g. by counting the number of uses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M2005/3103—Leak prevention means for distal end of syringes, i.e. syringe end for mounting a needle
    • A61M2005/3107—Leak prevention means for distal end of syringes, i.e. syringe end for mounting a needle for needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/3129—Syringe barrels
    • A61M2005/3131—Syringe barrels specially adapted for improving sealing or sliding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/60—General characteristics of the apparatus with identification means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/60—General characteristics of the apparatus with identification means
    • A61M2205/6054—Magnetic identification systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/20—Closure caps or plugs for connectors or open ends of tubes

Definitions

  • the present invention relates to the use of RFID tags in medical devices, more specifically an RFID tag incorporated into or attached to a needle shield assembly of an injection device.
  • RFID tag enabled needle shield can be useful in tracking the product life cycle, including the manufacturing, assembly, and distribution histories of an injection device designed to deliver one or more doses of a medicament.
  • Such a data carrier system should be integral with medical devices, preferably starting with a component of the device that represents the very beginning of the manufacturing or product life cycle.
  • RFID tags chips
  • the use of RFID tags should allow data writing and data reading through the entire history of the medical device, including data from the pharmaceutical manufacturer, the fill/finish process, the device assembly steps, the distribution centers, all the way through to the end user, the health care providers and patients.
  • an RFID tag With incorporation of an RFID tag into such a device component, product and process and event history that builds up over the history of the device can be stored like a pedigree on the device itself without the requirement to store the relevant information in a separate or remote data-base, that requires access to information from each of the different parties involved with the manufacture, distribution and use of the device.
  • a tracking system is also useful in device quality control whereby specific physical, mechanical and chemical criteria are met, to ensure proper mechanical function of the device. In the case of injection devices, this includes criteria that arise during the syringe manufacturing process as well as during the device manufacturing, filling and packaging/assembly process.
  • One primary purpose of the present invention is to provide a needle shield assembly that provides a sterile enclosure of an injection needle or other medicament delivery port that is fixedly attached to a pre-filled syringe or other container configured to hold one or more doses of a medicament, e.g., a drug.
  • the needle shield assembly comprises an interior portion fabricated from a material that forms a sterile and fluid tight seal with a distal end of the injection needle or medicament exit port.
  • Fixedly attached to the needle shield is an RFID tag that is configured as a read-write device that can store data throughout the product life cycle and can be read by an RFID reader as often as needed throughout the product life cycle. In some cases, it may be beneficial that the RFID tag be a read-only having a memory that contains only unique product identification data.
  • the needle shield assembly can further comprise a rigid outer cover and a soft inner cover, where the rigid outer cover is attached to the soft cover such that axial movement of rigid outer cover causes axial movement of the soft inner cover.
  • the RFID tag is preferably fixedly attached to the rigid outer cover. This can be achieved by one of a variety of fasteners, for example, a snap fit, an inlay, co-molding, an adhesive, lamination, tape, a press fit or a combination of any of these attachment methods.
  • the needle shield assembly can also have an antenna in electrical communication with the RFID tag.
  • the needle shield assembly can be part of entire complete injection device, where the needle shield assembly is attached to a medicament container that is incorporated into a completely assembled injection device, such as a pen-type injector, an auto-injector that uses a pre-filled syringe, an infusion pump delivery system, or a patch type device.
  • a completely assembled injection device such as a pen-type injector, an auto-injector that uses a pre-filled syringe, an infusion pump delivery system, or a patch type device.
  • the injection device can itself have one or more RFID tags associated with one or more components of the device in addition to the RFID tag enabled needle shield assembly. These additional RFID tags can be configured to exchange information with the RFID tag attached to the needle shield assembly.
  • Another aspect of the invention relates to methods of tracking the life cycle of a medicament container comprising the RFID tag enabled needle shield assembly or the injection device incorporating the needle shield assembly from a point in time where the RFID tag is attached to a needle shield and the assembly is then removably attached an injection needle connected to a medicament container, such as a syringe barrel, to form a sterile and fluid tight seal with a distal end of the injection needle.
  • Data is read from or written to this RFID tag as the medicament container moves through multiple manufacturing processes, such as, siliconization, medicament filling, shipping, quality control testing, warehousing, incorporation with or in other components to make a complete injection device.
  • FIG. 1 is a perspective view of the drug delivery device of one embodiment of the present disclosure
  • FIG. 2 is a cross-sectional view of the drug delivery device according to FIG. 1 showing an embodiment of the RFI D tag enabled needle shield assembly of the present disclosure
  • Fig. 3 is a perspective exploded view of the embodiment of Fig.l in a disassembled state
  • Fig. 4 is a perspective exploded view of a portion of the device of Fig.l;
  • Fig. 5 is a cross-sectional view of a schematic representation of an embodiment of the RFID tag enabled needle shield assembly of the present disclosure
  • Fig. 6 is a perspective view of mold core pin that could be used manufacture an embodiment of the RFID tag enabled needle shield assembly of the present disclosure
  • Fig. 7 is a cross-sectional view of a schematic representation of an embodiment of the RFID tag enabled needle shield assembly of the present disclosure
  • Fig. 8 is a cross-sectional view of a schematic representation of an embodiment of the RFID tag enabled needle shield assembly of the present disclosure
  • Fig. 9 is a cross-sectional view of a schematic representation of an embodiment of the RFID tag enabled needle shield assembly of the present disclosure.
  • Fig. 10 is a cross-sectional view of a schematic representation of an embodiment of the RFID tag enabled needle shield assembly having an antenna of the present disclosure
  • Fig. 11 is a cross-sectional view of a schematic representation of an embodiment of the RFID tag enabled needle shield assembly having an antenna of the present disclosure
  • Fig. 12 is a schematic representation of an embodiment of an RFID tag and antenna combination of the present disclosure.
  • FIG. 13 is a perspective view of the drug delivery device of Fig. 1 having attached thereto a device accessory.
  • injection devices are comprised of a main housing that encloses the mechanism for the setting a dose of medicament and/or for delivering a dose of medicament contained in a separate container within the main housing or attached to the main housing.
  • Fig. 1 illustrates one example of an injection device that can be used in my invention. This particular injection device is an auto-injector.
  • the drug delivery device 100 shown in the drawings comprises a front or proximal end 10 and a rear or distal end 61.
  • the front end 10 comprises a generally tubular front body 12 having elongated openings 14 for viewing a syringe 16 as shown in Figs. 1 and 2 and having a somewhat narrowing front end 12a (see Fig. 3).
  • the rear end 61 of device 100 has a rear tubular rear body 13 that is joined with front body 12 with connection 15 (see Fig. 2), where one part of the connection 15 is on the front body 12 and the cooperating and mating connector is on the rear body 13.
  • a needle shield 20 Inside the front body 12 is a needle shield 20 that is axially slidably arranged.
  • the needle shield 20 is generally tubular with a first front part 22 having a certain diameter and a second rear part 24 having a diameter larger than the front part 22, where these parts are joined by an intermediate conical part 26.
  • Two elongated grooves 28 are arranged along the needle shield 20, on opposite sides of the needle shield 20, also for viewing the syringe and guiding axial movement of the outer body 57.
  • On the inner surface of the conical part 26 a circumferential ledge 30 is arranged.
  • two openings 32 are arranged opposite each other, where each opening 32 is arranged with somewhat inwardly projecting, flexible, tongues 34.
  • a syringe carrier assembly 36 is arranged inside the needle shield 20 and is axially slideable in the proximal direction.
  • the syringe carrier assembly 36 as shown in Figs. 2-4 comprises an outer body 57 and an inner body 56, both of which are preferably tubular in shape, with the inner body 56 fitting within, and being slideable relative to the outer body 57.
  • the syringe 16 is positioned within the inner body 56 such that there is no relative axial movement between the syringe and the inner body 56.
  • Plunger 60 is in contact with the stopper 16d of the syringe 16. This contact between the plunger 60 and the stopper 16d prevents the syringe 16 from moving in a distal direction.
  • the pointed tongues 54 that is part of the cap assembly 50. These tongues grab the needle protection shield 50b that has attached an RFID tag 202 and assists in holding the syringe 16 in place until cap 50 is removed prior to use of the device.
  • the proximal end 56c of the inner body 56 is tapered or narrowed to accommodate the proximal end of syringe 16 when it is placed within the inner body 56.
  • the outer body 57 fits over the inner body 56 in a manner that allows relative axial movement between the inner body 56 and the outer body 57.
  • One such force dissipation mechanism includes a dampener ring 58 that is employed as a third component of this syringe carrier assembly 36.
  • the dampener ring 58 is fitted over the outside surface 56a of the inner body 56 or alternatively fitted into cup portion 57a at the distal end of outer body 57 and abutting distal facing inner lip 57b.
  • the inner body 56 is also a hollow tube having tapered or narrowing open proximal end 56c that has an internal shape to accept and hold the proximal end of syringe 16 allowing only the staked needle 16c and/or needle hub assembly 16b to protrude proximally from the inner body 56, see Fig. 2.
  • the distal end of the inner body 56 terminates in a flange configuration that has a diameter greater than the outer diameter of the inner body 56.
  • the flange provides a distal bearing surface for abutment with syringe flange and a proximal bearing surface 56h for abutment with the distal bearing surface of the dampener ring 58.
  • the inner body 56 and outer body 57 can move axially relative to each other, the inner and outer bodies are fixed rotationally to each other, i.e., the two bodies cannot rotate relative to each other.
  • plunger 60 is in contact with the stopper 16d of the syringe 16. This contact between the plunger 60 and the stopper 16d prevents the syringe 16 from moving in a distal direction.
  • the pointed tongues 54 that is part of the cap assembly 50. (see Fig. 4). These tongues grab the needle protection shield 50b and assists in holding the syringe 16 in place until cap 50 is removed prior to use of the device.
  • the proximal end 56c of the inner body 56 is tapered or narrowed to accommodate the proximal end of syringe 16 when it is placed with the inner body.
  • the outer body 57 fits over the inner body 56 in a manner that allows relative axial movement between the inner body 56 and the outer body 57.
  • Attached to the staked needle hub 16b that holds needle 16c of syringe 16 is a needle protection shield 50b that is friction fitted to the staked needle hub 16b of the syringe 16.
  • the needle protection shield 50b is surrounded by needle shield grabber 52 having sharp pointed tongues 54 directed somewhat inwards and towards the front or proximal end of the device.
  • the needle shield grabber 52 is operatively connected with cap 50 such that removal of cap 50 results in simultaneous removal of needle protection shield 50b and grabber 52.
  • the needle shield 50b is typically added to the stacked needle hub 16b by the manufacture of the medicament container, typically a syringe manufacture, as part of the pre-filled syringe manufacturing process prior to the medicament container being filled with the medicament.
  • the syringe manufacturer will also be responsible for attaching (staking) needle 16c to hub 16b and also for forming siliconization of the inside of the syringe.
  • the needle shield assembly must be fabricated, as discussed, below in more detail.
  • the fabricator of the needle shield assembly of the invention will combine the RFID tag with the material used to form the needle shield.
  • the RFID tag is capable of storing data that will allow historical tracking.
  • the syringe manufacture will receive the RFID tag enabled needle shield assemblies and needle cannula from another manufacture and will combine these two components as part of the syringe manufacturing process.
  • the RFI D tag can store information inputted by the syringe manufacturer that relates to the cannula source, such as dates, lot numbers, cannula manufacturer identification, locations, etc.
  • the syringe manufacturer can also add data to the RFID relating to siliconization parameters, dates, formulas, testing criteria, etc.
  • the syringe with the needle shield assembly is then transferred directly to a medicament filling location or stored/warehoused until shipped to a filling location.
  • data can be written to or read from the RFID tag to track and/or record information relating to the product history.
  • the medicament filling process is typically performed by another manufacturer, namely a pharmaceutical company or a contract filling company.
  • the filling manufacturer can read and write information to the RFID tag relating to medicament, i.e., lot numbers, dates of manufacturing, warnings, safety information, instructions for use, dose limitations, etc.
  • the RFID tag By including the RFID tag as part of the needle shield assem bly, this allows tracking and data collection very early in the overall manufacturing process of the complete injection device. Because the needle shield assembly remains on the syringe up until the moment a user of the complete injection device performs the injection, the RFID tag is capable of storing data relating to almost the complete history of injection device. Typically, there are many parties involved in the component and manufacturing processes that result in a finished injection device. These various parties also typically are located in many different physical locations. These parties can include the following: - Rubber Manufacturer
  • Each of the above parties may have different quality and product specific criteria that they control individually and which they document independently from the other parties.
  • the injection device assembly process typically joins or marries the pre-filled syringe with the RFID tag enabled needle shield with the various metal or plastic components that form the working parts of injection device, i.e. dose mechanism, and that cause the medicament in the syringe to be forced through the needle 16c.
  • data can be written to and/or read from the RFI D tag.
  • a second RFID tag may accompany one or more components of the dose mechanism. This second RFID tag would contain historical data relating to the manufacture of these components.
  • Fig. 5 illustrates one possible needle shield design that comprises a rigid sheath 203 surrounding and enclosing a flexible needle sheath 201 that is made from a material that is softer than the material used to fabricate the rigid sheath 203.
  • the flexible needle sheath 201 comprises a rubber material, however, any material can be used that will allow the injection needle 16c to fit within cavity 204 maintaining sterility and creating a liquid seal with the injection needle.
  • the sharp proximal end of the needle 16c is embedded into the proximal end of cavity 204 and into the flexible needle sheath material.
  • the flexible needle sheath 201 can be friction fitted within the rigid sheath or alternatively held in place with an adhesive or other connection means.
  • an RFID tag 202 is embedded in the proximal end of the rigid shield 203. This can be achieved through a co-molding manufacturing process.
  • a core pin 210 (see FIG. 6) is used to support the RFID tag 202 while molten plastic material is used to form the rigid sheath 203 and to encapsulate the RFID tag 202.
  • One or more support pillars 214 are located within the pin cavity or cage 212 to support the RFID tag to prevent bending or cracking of the RFID tag during the molding process.
  • One or more robotic tools are used to select, write data, and place the RFID tag in position for the co-molding process. Other robotic tools are used to remove the co- molded RFID tag enabled needle sheath from the fabrication process.
  • FIGS. 7-9 show alternative manufacturing techniques to incorporate into or associate the RFI D tag 202 with rigid sheath 203, each of which uses a snap-in feature 205, where the RFID tag is held in place with flexible arms, fingers, or channels that are integrally formed in an outside surface 206 or an inside surface 207 of rigid sheath 203.
  • FIG. 9 in particular illustrates that the fitting of the flexible needle sheath 201 within the rigid sheath 203 can be used as ram to seat the RFI D tag 202 into snap fittings 205.
  • FIGS. 7-9 show alternative manufacturing techniques to incorporate into or associate the RFI D tag 202 with rigid sheath 203, each of which uses a snap-in feature 205, where the RFID tag is held in place with flexible arms, fingers, or channels that are integrally formed in an outside surface 206 or an inside surface 207 of rigid sheath 203.
  • FIG. 9 in particular illustrates that the fitting of the flexible needle sheath 201 within the rigid sheath 203 can be used as ram
  • 7-9 illustrate the use of both a rigid sheath and a flexible needle sheath as two separate components
  • a needle shield component that is fabricated as a single component, i.e., where the rigid outer portion is integral with a soft flexible inner portion that is capable of sealing the proximal end of the injection needle.
  • Such a single component needle shield that provides both a rigid and a soft needle sheath could be fabricated as individual portions of different hardness materials and then physically and permanently attaching two distinct portions together. It may also be possible to form the single component needle shield by a co-molding process. In this way only a single needle shield need be manufactured as opposed to manufacturing two separate and different components that must then be first assembled together prior to assembling the needle shield assembly to the syringe and injection needle.
  • FIGS. 10 & 11 Two possible embodiments are shown in FIGS. 10 & 11 where an antenna 208 is attached and formed around the outside surface of rigid sheath 203 or alternatively printed on the surface of the sheath. In either case the antenna is electrically connected to the RFID tag 202. The use of the antenna will improve both the writing and reading of the RFID tag, especially when the RFID tag is embedded and covered during a co-molding manufacturing process.
  • FIG. 12 shows the antenna feature connected to the RFID tag prior to the antenna being bent or formed around the outside surface of the rigid sheath. An adhesive or coating can be used to hold the antenna 208 to the surface of the rigid sheath.
  • the RFID tag can be a read only device, but more preferably it is a read-write RFID.
  • the RFID tag can be based in different frequency bands, including those that work in HF-RFID and NFC frequency or UHF frequency. The interaction and reading of the information takes place with industrial RFiD readers for UHF/H F frequency, handheld readers and accessories and common smartphones that implement NFC Technology.
  • the RFID has a memory that can be read and/or written to using an RFI D reader and similar devices.
  • Data stored in the memory is typically separate from a unique identifier, e.g., a serial number, of the RFID tag, which cannot be altered or erased.
  • the storage capacity of the RFID tag should be selected so that it accomplishes the goals of data retention and retrieval, for example, the goal may be to record the entire product history of the device up until the time of use by the end user or it may only need to have memory capacity sufficient to retain information regarding the medicament, such as, dosing and safety information.
  • Higher memory allows RFID tag to store manufacturing data, quality control related information, medicament information, user instructions and any other criteria that allows for a storing of the complete history of the product life cycle.
  • the memory of each RFID tag attached to each needle shield assembly should be sufficient to store data collected at the different points in the product life cycle.
  • Predefined information will be transformed to a set of data that is then wirelessly transferred to each RFID tag at the outset of the product life cycle.
  • Data transfer on an individual basis could be accomplished by the above-mentioned robotic tool as the needle sheath is removed from the co-molding or RFID attachment process.
  • Bulk transfer of information to a number of RFID tag enabled needle sheaths could occur during medicament filling process or during actual device assembly. As such, in each of the manufacturing and/or assembly steps, e.g.
  • individual item related information will be written to the individual RFID tags or written in "bulk" to a number of RFID tags in an assembled lot.
  • the written data is secured and protected through known data security techniques, such as, encryption.
  • the medicament holding container e.g., a prefilled syringe
  • the medicament holding container will have a separate manufacturing route compared to that of the main housing injection device that holds the dose delivery mechanism. Late in the device assembly process the two parts, medicament container with the RFID tag and the dose delivery mechanism, are eventually joined to form the complete injection device.
  • the data can then be read from each RFID tag or the data can be transferred from one RFID tag to the other.
  • Data exchange between the two RFID tags becomes important because if a problem occurs during injection or after a first injection is performed it is likely that the needle sheath has been removed and disposed of, thus making product life cycle data recovery impossible. However, because data is exchanged between the RFID tag in the needle sheath with the second RFI D tag in the device, data can still be recovered in the event the needle shield is no longer available. Since data was transferred from the RFID tag on the needle shield assembly to the RFID tag of the dose delivery mechanism then the complete device history will be available if needed in a post-use quality control or failure analysis.
  • an injection device accessory 300 such as a so-called loyalty sleeve that is attached to the injection device by the end user or health care provider and contains information specific to the user.
  • the accessory can be attached directly to the outer surface of the injection device and can be configured to acquire information directly from the RFID tag associated with either the needle shield assembly, injection device, or both. Attachment can be accomplished with a clip-on or snap-on type connector such that it is easily removed and attached to another injection device.
  • the device accessory 300 can include yet another RFID tag, an RFID tag reader, a microprocessor, memory, a display, and/or user interface to input information or control operation of the device accessory, including as buttons or a touch screen.
  • the device accessory 300 can be configured to communicate with an external source, such as, a smart phone, and can track the functioning of the device in actual use. For example, the accessory could acquire and store injection doses and time frequencies of injections. Such information could then be accessed by a health care provider to monitor patient compliance with a treatment regime.
  • an external source such as, a smart phone
  • RFI D tags examples of the types of data that can be stored on one or both of the RFI D tags.
  • product & quality related data at device assembly location e.g. specific assembly parameters & dates, linking data from the dose delivery mechanism with the needle shield assembly data - Exchange, check and storage of data at the user level using accessories such as smart phone applications and/or loyalty sleeves attached to the device.
  • the stored user data can be used to analyze the function of device, e.g., injection time analysis, thus tracking product history automatically.
  • product history is useful in rapid complaint handling by analyzing a single device throughout the entire supply chain and to assist in product recall and/or consumer warnings using smartphone.
  • FIG. 2 shows an optimal second RFID tag 220 attached to or embedded in the housing 24.
  • This second RFID can communicate with the RFID associated with the needle shield assembly and with the device accessory 300.
  • FIG. 3 shows the rear part or power unit 20 of the injector according to FIG. 1. It comprises a plunger 60 formed as a tube and with an outer diameter somewhat smaller than the inner diameter of the syringe body to be used.
  • the plunger 60 is arranged with a circumferential groove 62 with a certain width.
  • Inside the plunger 60 a helical compression spring 64 is arranged and inside the spring 64 here is a spring guide 66. Adjacent the groove 62 of the plunger 60 a holding member 68 is arranged.
  • each tongue 74 is arranged with inwardly directed ledges arranged and shaped as to fit into the groove 62 of the plunger 60.
  • Each tongue 74 is further arranged with reinforcing ribs on the outer surfaces.
  • an activator 80 Surrounding the plunger 60 is an activator 80 with a mainly tubular shape. Its front or proximal end, to the left in the figures, has an inclined transition surface which meets with a band-shaped part with enlarged diameter. On the inner surface adjacent the transition surface an annular inwardly directed ledge 86 is arranged, with a shape as to fit into the groove 62 of the plunger. A number of longitudinally directed cut-outs are arranged at the front part of the actuator 80 so as to form flexible tongues 90.
  • the activator 80 is further provided with two stop ledges directed radially outwards from the outer surface on either side. The upper end of the activator 80 is arranged with an end wall 80a.
  • an actuator sleeve 110 is slidably arranged, also of a generally tubular form. It comprises a front end with a conical part ending in a ledge on its outer surface. At a distance from the ledge a first annular ring 114 is arranged the outer surface. A second annular ring is also arranged a further distance from the ledge.
  • the rear end of the actuator sleeve 110 is arranged with two oppositely arranged cut-outs of a generally rectangular shape where the widths correspond to the width of the stop ledges of the actuator 80.
  • a compression spring 122 hereafter named needle shield spring is surrounding the actuator sleeve.
  • the previously named components of the power unit are housed in a rear housing 124 of a generally tu bular shape, where the front end of the rear housing 124 has a somewhat lesser diameter, corresponding to the inner diameter of the rear end of the front body and provided with a number of annular protrusions 126 which are intended to fit into the corresponding annular recesses 18 on the inner surface of the front body 12.
  • injector 100 When assembling the injector the front and the rear parts are assembled individually.
  • the plunger 60 is held against the force of the compression spring 64 in that the inwardly directed ledges of the tongues 90 of the activator 80 are situated in the groove 62 of the plunger 60 and that the actuator sleeve 110 prevents the tongues 90 from moving outwards.
  • the tongues 74 of the holding member 68 are also arranged in the groove 62.
  • the tongues 90 of the activator 80 are adjacent the tongues 74 as a second safety means should the tongues 90 move out of the groove 62 of the plunger 60.
  • a syringe 16 is placed in the front end 12 within inner body 56 and rear body 13 is attached to the front body 12 wherein the protrusions 126 fit into the recesses 18.
  • the syringe 16 is a pre-filled syringe where a medicament is placed within the barrel of the syringe 16 and sealed at the distal end with a slidable stopper or piston 16d.
  • the staked needle 16c is sealed with the needle protection shield 50b, which contains RFID tag 202.
  • the front body 12 and rear body 13 are then connected together.
  • the needle protection cap 50 with needle shield grabber 52 is inserted into the front end of the device. The device is now ready for use.
  • the needle protection cap 50 and attached grabber 54 is pulled out of the injector carrying with it the needle protection shield 50b along with RFID tag 202. This causes the sharp pointed tongues 54 to be pushed into the rubber needle protection shield 50b and remove it from the needle hub 16b.
  • the front end of the injector is then pressed against the injection site and the somewhat projecting front end of the needle shield 20 is pushed into the housing 124 against the force of the compression spring 122 acting between the second annular ring of the actuator sleeve and a ledge arranged on the actuator 80.
  • the upper end of the needle shield 20 is in contact with the first annular ring 114 of the actuator sleeve 110 and its movement causes the actuator sleeve 110 to move backwards or distally whereby a part of the band-shaped part is situated outside the front part of the actuator sleeve 110.
  • the device is activated when the needle shield 20 is pushed against an injection site causing it to retract into the housing 12 in the distal direction. Once fully retracted, the actuator sleeve 110 will release activator 80 causing the spring 64 to release, firing the device and initiating the injection sequence.
  • the force of the compression spring 64 urges the plunger 60 to push on the stopper 16d of the syringe. But because of the friction between stopper 16d and syringe barrel inner wall and the incompressibility of the liquid medicament in the syringe and the very small flow passage through the needle, the force will push the syringe 16 and the syringe assembly 36 forward proximally, where needle 16c will penetrate the skin of the patient. The penetration stops when the syringe carrier assembly abuts and contacts the hard stop 12b.
  • the dampener ring 58 absorbs the forward momentum compressing slightly and eventually stopping the inner body 56 and the syringe 16.
  • the compression and energy absorbing characteristics of the dampening ring 58 greatly reduces, if not eliminates, the end of injection negative tactile feel experienced by the person receiving the injection.
  • the force from the compression spring 64 now moves the stopper 16d inside the syringe and the liquid medicament is injected into the patient until the stopper 16d reaches the inner front end of the syringe barrel.
  • the plunger has moved this distance, its rear end has passed the ledges of the activator 80 and the tongues 90 are moved inwards.
  • the compression spring 64 is also acting on the activator 80, the activator 80 is moved inside the actuator sleeve. Because of this and because the needle shield spring 122 is acting on the actuator sleeve 110 it is urged forward.
  • the force of the needle shield spring 122 pushes the actuator sleeve 110 and thus the needle shield 20 connected to it forward, whereby the needle shield 20 is pushed out of the front end of the injector and surrounds the needle 16c.
  • the movement of the actuator sleeve 110 causes the band-shaped part of the actuator 80 to pass ribs arranged on the inner surface of the actuator sleeve 110. These ribs prevent any attempts to push the needle shield 20 back into the injector because the ribs will abut the front end of the band-shaped part of the actuator 80.

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Abstract

La présente invention concerne un ensemble de protection d'aiguille activé par étiquette RFID qui forme une enceinte stérile d'aiguille d'injection et qui peut être attaché de façon fixe à une seringue pré-remplie, en vue de l'administration d'une injection de médicament à un patient après le retrait de l'ensemble de protection d'aiguille. L'étiquette RFID est attachée de façon fixe à la protection d'aiguille par co-moulage, ou par une autre forme de fixation permanente. La présente invention concerne également un procédé de suivi du cycle de vie d'un dispositif d'injection de médicament, dans lequel l'ensemble de protection d'aiguille activé par étiquette RFID est fixé à une aiguille d'injection qui est reliée à un cylindre de seringue qui fait partie d'un dispositif d'injection. Des données sont écrites sur l'étiquette RFID ou lues depuis celle-ci pendant toute la durée de vie du dispositif d'injection, y compris l'assemblage, l'emballage, le stockage, la distribution et l'utilisation.
PCT/EP2017/065367 2016-07-11 2017-06-22 Protection d'aiguille activée par étiquette rfid Ceased WO2018010931A1 (fr)

Priority Applications (18)

Application Number Priority Date Filing Date Title
EP25154287.4A EP4539055A3 (fr) 2016-07-11 2017-06-22 Protection d'aiguille activée par étiquette rfid
CN201780039503.1A CN109414551B (zh) 2016-07-11 2017-06-22 支持rfid标签的针护罩
KR1020217026309A KR20210105444A (ko) 2016-07-11 2017-06-22 Rfid 태그 사용 가능한 바늘 차폐물
KR1020237007848A KR102797645B1 (ko) 2016-07-11 2017-06-22 Rfid 태그 사용 가능한 바늘 차폐물
ES17731587T ES3028296T3 (en) 2016-07-11 2017-06-22 Rfid tag enabled needle shield
JP2019500846A JP6937361B2 (ja) 2016-07-11 2017-06-22 Ｒｆｉｄタグが使用可能にされた針シールド
KR1020197000617A KR20190017910A (ko) 2016-07-11 2017-06-22 Rfid 태그 사용 가능한 바늘 차폐물
KR1020257012123A KR20250057097A (ko) 2016-07-11 2017-06-22 Rfid 태그 사용 가능한 바늘 차폐물
US16/311,545 US10675123B2 (en) 2016-07-11 2017-06-22 RFID tag enabled needle shield
EP17731587.6A EP3481469B1 (fr) 2016-07-11 2017-06-22 Protecteur d'aiguille activé par étiquette rfid
CN202210305380.4A CN114652915A (zh) 2016-07-11 2017-06-22 支持rfid标签的针护罩
DK17731587.6T DK3481469T3 (da) 2016-07-11 2017-06-22 Rfid-skiltaktiveret nåleafskærmning
US16/361,576 US11752275B2 (en) 2016-07-11 2019-03-22 RFID tag enabled shield assembly
US16/871,893 US10864059B2 (en) 2016-07-11 2020-05-11 RFID tag enabled needle shield
US17/095,006 US11432904B2 (en) 2016-07-11 2020-11-11 RFID tag enabled needle shield
US17/876,869 US12527644B2 (en) 2016-07-11 2022-07-29 RFID tag enabled needle shield
US18/144,948 US12048838B2 (en) 2016-07-11 2023-05-09 RFID tag enabled shield assembly
US18/745,151 US20240335619A1 (en) 2016-07-11 2024-06-17 Rfid tag enabled shield assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EPEP16178833.6 2016-07-11
EP16178833 2016-07-11

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US16/311,545 A-371-Of-International US10675123B2 (en) 2016-07-11 2017-06-22 RFID tag enabled needle shield
US16/361,576 Continuation-In-Part US11752275B2 (en) 2016-07-11 2019-03-22 RFID tag enabled shield assembly
US16/871,893 Division US10864059B2 (en) 2016-07-11 2020-05-11 RFID tag enabled needle shield

Publications (1)

Publication Number Publication Date
WO2018010931A1 true WO2018010931A1 (fr) 2018-01-18

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PCT/EP2017/065367 Ceased WO2018010931A1 (fr) 2016-07-11 2017-06-22 Protection d'aiguille activée par étiquette rfid

Country Status (9)

Country Link
US (4) US10675123B2 (fr)
EP (2) EP3481469B1 (fr)
JP (2) JP6937361B2 (fr)
KR (4) KR20210105444A (fr)
CN (2) CN109414551B (fr)
DE (1) DE202017007540U1 (fr)
ES (2) ES3028296T3 (fr)
TW (1) TWI660759B (fr)
WO (1) WO2018010931A1 (fr)

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US20190328485A1 (en) 2019-10-31
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US20200268480A1 (en) 2020-08-27
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CN109414551A (zh) 2019-03-01
EP4539055A2 (fr) 2025-04-16

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